pointvec/desktop/sources/scripts/tool.js
2018-05-12 10:19:24 +12:00

284 lines
7.3 KiB
JavaScript

function Tool()
{
this.index = 0;
this.settings = { size:{width:300,height:300} }
this.layers = [[],[],[]];
this.styles = [
{ thickness:10,strokeLinecap:"round",strokeLinejoin:"round",color:"#f00",fill:"none",mirror_style:0 },
{ thickness:10,strokeLinecap:"round",strokeLinejoin:"round",color:"#0f0",fill:"none",mirror_style:0 },
{ thickness:10,strokeLinecap:"round",strokeLinejoin:"round",color:"#00f",fill:"none",mirror_style:0 }
];
this.vertices = [];
this.reqs = { line:2,arc_c:2,arc_r:2,bezier:3,close:0 };
this.start = function()
{
this.styles[0].color = dotgrid.theme.active.f_high
this.styles[1].color = dotgrid.theme.active.f_med
this.styles[2].color = dotgrid.theme.active.f_low
}
this.reset = function()
{
this.layers = [[],[],[]];
this.vertices = [];
this.index = 0;
dotgrid.set_size({width:300,height:300})
}
this.clear = function()
{
this.vertices = [];
dotgrid.guide.refresh();
dotgrid.interface.refresh(true);
}
this.undo = function()
{
this.layers = dotgrid.history.prev();
dotgrid.guide.refresh();
dotgrid.interface.refresh(true);
}
this.redo = function()
{
this.layers = dotgrid.history.next();
dotgrid.guide.refresh();
dotgrid.interface.refresh(true);
}
// I/O
this.export = function(target = {settings:this.settings,layers:this.layers,styles:this.styles})
{
return JSON.stringify(copy(target), null, 2);
}
this.import = function(layer)
{
this.layers[this.index] = this.layers[this.index].concat(layer)
dotgrid.history.push(this.layers);
this.clear();
dotgrid.guide.refresh();
dotgrid.interface.refresh(true);
}
this.replace = function(dot)
{
if(!dot.layers || dot.layers.length != 3){ console.warn("Incompatible version"); return; }
if(this.settings && (this.settings.size.width != dot.settings.size.width || this.settings.size.height != dot.settings.size.height)){
dotgrid.set_size({width:dot.settings.size.width,height:dot.settings.size.height})
}
this.layers = dot.layers;
this.styles = dot.styles;
this.settings = dot.settings;
this.clear();
dotgrid.guide.refresh();
dotgrid.interface.refresh(true);
dotgrid.history.push(this.layers);
}
// EDIT
this.remove_segment = function()
{
if(this.vertices.length > 0){ this.clear(); return; }
this.layer().pop();
this.clear();
dotgrid.guide.refresh();
dotgrid.interface.refresh(true);
}
this.remove_segments_at = function(pos)
{
for(segment_id in this.layer()){
var segment = this.layer()[segment_id];
for(vertex_id in segment.vertices){
var vertex = segment.vertices[vertex_id];
if(Math.abs(pos.x) == Math.abs(vertex.x) && Math.abs(pos.y) == Math.abs(vertex.y)){
segment.vertices.splice(vertex_id,1)
}
}
if(segment.vertices.length < 2){
this.layers[this.index].splice(segment_id,1)
}
}
this.clear();
dotgrid.guide.refresh();
dotgrid.interface.refresh(true);
}
this.add_vertex = function(pos)
{
pos = {x:Math.abs(pos.x),y:Math.abs(pos.y)}
this.vertices.push(pos);
dotgrid.interface.refresh(true);
}
this.vertex_at = function(pos)
{
for(segment_id in this.layer()){
var segment = this.layer()[segment_id];
for(vertex_id in segment.vertices){
var vertex = segment.vertices[vertex_id];
if(vertex.x == Math.abs(pos.x) && vertex.y == Math.abs(pos.y)){
return vertex;
}
}
}
return null;
}
this.cast = function(type)
{
if(!this.layer()){ this.layers[this.index] = []; }
if(!this.can_cast(type)){ console.warn("Cannot cast"); return; }
var append_target = this.can_append({type:type,vertices:this.vertices.slice()})
if(append_target){
this.layers[this.index][append_target].vertices = this.layers[this.index][append_target].vertices.concat(this.vertices.slice())
}
else{
this.layer().push({type:type,vertices:this.vertices.slice()})
}
dotgrid.history.push(this.layers);
this.clear();
dotgrid.guide.refresh();
dotgrid.interface.refresh(true);
console.log(`Casted ${type} -> ${this.layer().length} elements`);
}
this.can_append = function(content)
{
for(id in this.layer()){
var stroke = this.layer()[id];
if(stroke.type != content.type){ continue; }
if(!stroke.vertices[stroke.vertices.length-1]){ continue; }
if(stroke.vertices[stroke.vertices.length-1].x != content.vertices[0].x){ continue; }
if(stroke.vertices[stroke.vertices.length-1].y != content.vertices[0].y){ continue; }
return id;
}
return false;
}
this.can_cast = function(type)
{
if(!type){ return false; }
// Cannot cast close twice
if(type == "close"){
var prev = this.layer()[this.layer().length-1];
if(!prev || prev.type == "close"){
return false;
}
}
if(type == "bezier"){
if(this.vertices.length % 2 == 0){
return false;
}
}
return this.vertices.length >= this.reqs[type];
}
this.paths = function()
{
var l1 = new Generator(dotgrid.tool.layers[0]).toString({x:0,y:0},1)
var l2 = new Generator(dotgrid.tool.layers[1]).toString({x:0,y:0},1)
var l3 = new Generator(dotgrid.tool.layers[2]).toString({x:0,y:0},1)
return [l1,l2,l3]
}
this.path = function()
{
return new Generator(dotgrid.tool.layer()).toString({x:0,y:0},1)
}
this.translate = function(a,b)
{
for(segment_id in this.layer()){
var segment = this.layer()[segment_id];
for(vertex_id in segment.vertices){
var vertex = segment.vertices[vertex_id];
if(vertex.x == Math.abs(a.x) && vertex.y == Math.abs(a.y)){
segment.vertices[vertex_id] = {x:Math.abs(b.x),y:Math.abs(b.y)};
}
}
}
dotgrid.history.push(this.layers);
this.clear();
dotgrid.guide.refresh();
}
this.translate_multi = function(a,b)
{
var offset = {x:a.x - b.x,y:a.y - b.y}
for(segment_id in this.layer()){
var segment = this.layer()[segment_id];
for(vertex_id in segment.vertices){
var vertex = segment.vertices[vertex_id];
segment.vertices[vertex_id] = {x:vertex.x+offset.x,y:vertex.y-offset.y};
}
}
dotgrid.history.push(this.layers);
this.clear();
dotgrid.guide.refresh();
}
// Toggles
this.toggle_mirror = function()
{
this.style().mirror_style = this.style().mirror_style > 1 ? 0 : this.style().mirror_style+1;
dotgrid.guide.refresh();
dotgrid.interface.refresh(true);
}
// Style
this.style = function()
{
if(!this.styles[this.index]){
this.styles[this.index] = [];
}
return this.styles[this.index];
}
// Layers
this.layer = function()
{
if(!this.layers[this.index]){
this.layers[this.index] = [];
}
return this.layers[this.index];
}
this.select_layer = function(id)
{
this.index = clamp(id,0,2);
this.clear();
dotgrid.guide.refresh();
dotgrid.interface.refresh(true);
console.log(`layer:${this.index}`)
}
this.select_next_layer = function()
{
this.index = this.index >= 2 ? 0 : this.index+1
this.select_layer(this.index);
}
function copy(data){ return data ? JSON.parse(JSON.stringify(data)) : []; }
function clamp(v, min, max) { return v < min ? min : v > max ? max : v; }
}